3958113813 has 16 divisors (see below), whose sum is σ = 5422212096. Its totient is φ = 2566434240.

The previous prime is 3958113799. The next prime is 3958113823. The reversal of 3958113813 is 3183118593.

3958113813 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3958113813 - 2¹² = 3958109717 is a prime.

It is a super-2 number, since 2×3958113813² = 31333329913322797938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3958113823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 379020 + ... + 389322.

It is an arithmetic number, because the mean of its divisors is an integer number (338888256).

Almost surely, 2^3958113813 is an apocalyptic number.

It is an amenable number.

3958113813 is a deficient number, since it is larger than the sum of its proper divisors (1464098283).

3958113813 is a wasteful number, since it uses less digits than its factorization.

3958113813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13804.

The product of its digits is 77760, while the sum is 42.

The square root of 3958113813 is about 62913.5423656942. The cubic root of 3958113813 is about 1581.8407501377.

The spelling of 3958113813 in words is "three billion, nine hundred fifty-eight million, one hundred thirteen thousand, eight hundred thirteen".